Marijuana Lecture Notes

These flashcards cover key terms and concepts related to marijuana including its components, effects, historical context, and modern usage.

Cannabis sativa

The scientific name for the marijuana plant, containing over 500 chemicals including THC.

Tetrahydrocannabinol (THC)

The primary psychoactive component in marijuana.

Hemp

Cannabis products that contain very little THC.

Hashish

Resin that contains a lot of THC.

Cannabidiol (CBD)

A chemical found in cannabis that does not produce a 'high'.

Endocannabinoids

Naturally occurring compounds in the body that activate cannabinoid receptors.

CB1 receptor

Cannabinoid receptor primarily located in brain areas controlling memory, cognition, and mood.

CB2 receptor

Cannabinoid receptor mostly found in the immune system.

Tolerance (to marijuana)

A physiological state where users require higher amounts to achieve the same effects; mechanisms are still unclear.

Dronabinol (Marinol)

A THC-based medication used for various medical purposes.

Epidiolex

A CBD-based medication approved for treating epilepsy.

The 'Munchies'

Increased hunger typically associated with marijuana use.

Respiratory System Effects

May increase the risk of respiratory symptoms, but often reversed after smoking cessation.

Psychomotor Performance

Ability to coordinate motor responses; typically decreased under the influence of marijuana.

Amotivational Syndrome

Characterized by a lack of motivation and ambition; its causal link to cannabis use is debated.

Prevalence Rate

The proportion of individuals using marijuana; has been gradually rising since the mid-1990s.

Vaping

A modern method of using marijuana that vaporizes the substance for inhalation.

Dabbing

A method involving the heating of hash oil to inhale the vapor.

Vasodilation

A physiological effect of marijuana causing bloodshot eyes and increased heart rate.

Long-term Effects

Generally no evidence of serious long-term health effects among occasional users, but risks exist for heavy use.

Cannabinoids

Chemicals unique to cannabis; over 60 have been identified with potential pharmacological properties.

Social Skills Improvement

Some users believe that marijuana enhances social competence; however, research does not support this.